及物动词
1. My belt is too tight; I must loosen it.
我的腰带太紧，我必须放松它。
2. Loosen the screw.
旋松螺丝。
3. By degrees her tongue was loosened.
她的话渐渐地多起来。
1. The runners are loosening up before the race.
赛跑运动员们在做赛前准备动作。
不及物动词
1. The government's control over the newspapers has loosened in recent years.
近几年来政府对报纸的控制变松了。